🌐EnglishEnglishDeutschFrançaisPortuguêsРусский中文日本語EntityQ3075250· pop 6· linked from 22 articlesHardy–Littlewood maximal functionMathematical operator in real and harmonic analysisWikidata factsInstance ofmathematical operationvia Wikidata · CC0ConnectionsElias M. SteinEntitymathematicsEntityCategoriesHarmonic analysisReal analysisTypes of functions